For the majority of APS customers postage accounts for the largest expense in their billing process. APS does ensure our customers are getting the best possible discounts by keeping address databases up to standards. 
Now that the USPS® requires standardization and delivery point validation in order to receive discounts it is as vital that all records in a customer database for processed against CASS™/DPV® databases for address quality improvements. 

APS uses industry leading software to correct and standardize addresses to the Post Office specifications. So you stay in compliance while making sure your mail is delivered quickly and correctly.